Mark Felt

The Nixon White House hired a shadowy group called the Plumbers to prevent news leaks. But instead, an illegal break-in by the Plumbers inspired a source nicknamed Deep Throat to help the Washington Post. Three decades later, Deep Throat was identified as FBI No. 2 man Mark Felt. Before that,...

The Nixon White House hired a shadowy group called the Plumbers to prevent news leaks. But instead, an illegal break-in by the Plumbers inspired a source nicknamed Deep Throat to help the Washington Post. Three decades later, Deep Throat was identified as FBI No. 2 man Mark Felt. Before that,... (Justin Sullivan, Getty Images)

The Nixon White House hired a shadowy group called the Plumbers to prevent news leaks. But instead, an illegal break-in by the Plumbers inspired a source nicknamed Deep Throat to help the Washington Post. Three decades later, Deep Throat was identified as FBI No. 2 man Mark Felt. Before that,...